| Variable | Correlation | Years | Sys. Score |
| The number of university engineering teachers in Mississippi | r=0.96 | 16yrs | 386 |
| The number of construction laborers in Maryland | r=0.94 | 20yrs | 357 |
| Popularity of the first name Helen | r=0.86 | 21yrs | 354 |
| Petroluem consumption in Ireland | r=0.86 | 21yrs | 334 |
| Votes for Democratic Senators in Arkansas | r=0.99 | 6yrs | 332 |
| US Motorcycle Manufacturing Industry Revenue | r=0.91 | 11yrs | 330 |
| The number of log graders and scalers in Georgia | r=0.92 | 20yrs | 314 |
| Votes for Democratic Senators in South Dakota | r=0.97 | 6yrs | 314 |
| The number of tapers in Arizona | r=0.91 | 20yrs | 302 |
| Air pollution in Greenwood, South Carolina | r=0.85 | 15yrs | 302 |
| The number of industrial truck and tractor operators in Idaho | r=0.91 | 20yrs | 292 |
| The number of carpenters in Indiana | r=0.91 | 20yrs | 282 |
| The number of carpenters in South Carolina | r=0.91 | 20yrs | 272 |
| Air pollution in Springfield, Missouri | r=0.9 | 6yrs | 265 |
| The number of recreational therapists in Idaho | r=0.9 | 20yrs | 261 |
| The number of surveyors in Illinois | r=0.9 | 20yrs | 251 |
| Popularity of the first name Diego | r=0.84 | 21yrs | 246 |
| Popularity of the first name Ingrid | r=0.84 | 21yrs | 246 |
| Votes for Democratic Senators in Wisconsin | r=0.91 | 6yrs | 245 |
| The number of forest and conservation workers in New Jersey | r=0.91 | 17yrs | 240 |
| Air pollution in Atlanta | r=0.8 | 22yrs | 229 |
| US Employment Rate | r=0.83 | 21yrs | 226 |
| Petroluem consumption in Jamaica | r=0.83 | 20yrs | 224 |
| Jet fuel used in Saint Vincent/Grenadines | r=0.83 | 20yrs | 224 |
| Popularity of the first name Flor | r=0.84 | 21yrs | 216 |
| Motor vehicle thefts in South Carolina | r=0.83 | 21yrs | 214 |
| Number of edits to the Wikipedia article for Arnold Schwarzenegger | r=0.84 | 21yrs | 212 |
| Number of edits to the Wikipedia article for Thomas Edison | r=0.82 | 21yrs | 210 |
| Total value of all $1 bills printed | r=0.75 | 21yrs | 209 |
| Popularity of the first name Anahi | r=0.83 | 21yrs | 205 |
| Votes for Democratic Senators in South Dakota | r=0.89 | 6yrs | 202 |
| The number of receptionists in Nebraska | r=0.89 | 20yrs | 201 |
| Popularity of the first name Rhianna | r=0.83 | 21yrs | 195 |
| Sherbet consumption | r=0.74 | 20yrs | 190 |
| Popularity of the first name Meredith | r=0.82 | 21yrs | 184 |
| Total value of all $5 bills printed | r=0.7 | 21yrs | 182 |
| US average dairy skim-solid content of frozen dairy products | r=-0.82 | 20yrs | 180 |
| The number of recreational therapists in Alabama | r=0.89 | 20yrs | 180 |
| Annual US household spending on floor coverings | r=0.71 | 21yrs | 178 |
| Robberies in Minnesota | r=0.79 | 21yrs | 178 |
| Annual US household spending on postage and stationery | r=0.7 | 21yrs | 177 |
| Number of public school students in 9th grade | r=0.67 | 21yrs | 176 |
| Motor vehicle thefts in North Carolina | r=0.78 | 21yrs | 176 |
| Number of edits to the Wikipedia article for Britney Spears | r=0.78 | 22yrs | 174 |
| Popularity of the first name Kira | r=0.82 | 21yrs | 174 |
| Annual US household spending on mortgage interest and charges | r=0.67 | 21yrs | 172 |
| US household spending on floor coverings | r=0.67 | 21yrs | 172 |
| The number of advertising sales agents in Alabama | r=0.89 | 20yrs | 170 |
| Popularity of the first name Vicente | r=0.82 | 21yrs | 164 |
| Fossil fuel use in Greenland | r=0.79 | 20yrs | 161 |
| The number of cement masons and concrete finishers in Arizona | r=0.89 | 20yrs | 160 |
| Air pollution in Hickory, North Carolina | r=0.79 | 22yrs | 154 |
| Popularity of the first name Jack | r=0.81 | 21yrs | 152 |
| The number of drywall and ceiling tile installers in Arizona | r=0.89 | 20yrs | 150 |
| Gasoline pumped in Lithuania | r=0.79 | 21yrs | 149 |
| Robberies in Arizona | r=0.78 | 21yrs | 146 |
| Popularity of the first name Mariana | r=0.81 | 21yrs | 142 |
| Air pollution in El Paso | r=0.75 | 22yrs | 142 |
| The number of brokerage clerks in California | r=0.89 | 20yrs | 140 |
| Jet fuel used in The Bahamas | r=0.79 | 20yrs | 138 |
| Robberies in California | r=0.76 | 21yrs | 134 |
| Popularity of the first name Paula | r=0.81 | 21yrs | 132 |
| Air pollution in Tallahassee | r=0.75 | 22yrs | 132 |
| The number of loan officers in Connecticut | r=0.89 | 20yrs | 130 |
| Electricity generation in American Samoa | r=0.76 | 20yrs | 126 |
| Violent crime rates | r=0.76 | 21yrs | 124 |
| Popularity of the first name Alvaro | r=0.81 | 21yrs | 122 |
| Air pollution in Vallejo, California | r=0.79 | 20yrs | 122 |
| Gasoline pumped in Latvia | r=0.77 | 21yrs | 116 |
| Arson in Nevada | r=0.75 | 21yrs | 112 |
| Popularity of the first name Haylie | r=0.81 | 21yrs | 112 |
| Air pollution in Salisbury, Maryland | r=0.78 | 21yrs | 112 |
| Petroluem consumption in Bulgaria | r=0.77 | 20yrs | 105 |
| Motor vehicle thefts in Nevada | r=0.75 | 21yrs | 102 |
| Air pollution in Augusta, Georgia | r=0.77 | 20yrs | 100 |
| Petroluem consumption in Greece | r=0.75 | 21yrs | 93 |
| Motor vehicle thefts in Indiana | r=0.75 | 21yrs | 92 |
| Air pollution in Birmingham | r=0.74 | 22yrs | 90 |
| Air pollution in Palm Bay, Florida | r=0.85 | 6yrs | 88 |
| Robberies in North Carolina | r=0.75 | 21yrs | 82 |
| Air pollution in Birmingham | r=0.74 | 22yrs | 80 |
| Robberies in Virginia | r=0.75 | 21yrs | 72 |
| Popularity of the first name Omar | r=0.8 | 21yrs | 70 |
| Air pollution in Charlotte, North Carolina | r=0.76 | 22yrs | 70 |
| Popularity of the first name Andres | r=0.8 | 21yrs | 60 |
| Air pollution in Columbus, Georgia | r=0.76 | 22yrs | 60 |
| Popularity of the first name Pablo | r=0.8 | 21yrs | 50 |
| Air pollution in Miami | r=0.74 | 22yrs | 50 |
| Popularity of the first name Ashly | r=0.8 | 21yrs | 40 |
| Air pollution in Birmingham | r=0.73 | 22yrs | 38 |
| Popularity of the first name Elvis | r=0.8 | 21yrs | 30 |
| Air pollution in Chattanooga, Tennessee | r=0.75 | 22yrs | 28 |
| Popularity of the first name Kasey | r=0.79 | 21yrs | 19 |
| Air pollution in Truckee, California | r=0.75 | 22yrs | 8 |
| Air pollution in Durham, North Carolina | r=0.74 | 22yrs | -3 |
