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Breaking down the future (and past) candidate travel

With the conclusion of Saturday's Maine caucuses, there are now 13 days until the next GOP presidential nominating contests, in Arizona and Michigan. That's the biggest gap since the Republican race kicked off in Iowa on Jan. 3 -- and it means the candidates' travel schedules are more varied than they've been so far this primary season.

They are traveling to 18 states holding contests between Feb. 28 and March 13, as well as using this time for all-important fundraising.

For example, Washington state -- which holds its caucuses on March 3 -- saw the first campaigning of the cycle as Rick Santorum held a public event in Tacoma this week. (That's compared with the 90 days that Santorum alone spent in Iowa.)

Washington doesn’t traditionally attract many presidential-primary visits ahead, but state GOP Political Director Caleb Heimlich said the party hoped to change that when this year’s caucuses were scheduled for early March.

Idaho -- which holds its caucuses on Super Tuesday, March 6 -- also is seeing visits this week from Santorum and Mitt Romney. Jonathan Parker, the executive director of the Idaho Republican Party, called the state party’s decision to schedule a caucus for Super Tuesday a “gamble” hoping to attract more attention.

“So far it appears to be paying off,” he said of the decision.

Up until now, most of the GOP candidates have barely visited the states with upcoming contests, aside from Newt Gingrich’s two-day stop in Ohio last week. Romney made stops in both Georgia and Virginia in recent days. But he's has yet to campaign in the majority of Super Tuesday states. The same is true for Santorum (who stopped in Oklahoma Thursday) and Paul (who has yet to visit a Super Tuesday state in 2012).

Here is NBC's tally of the days that the remaining four GOP candidates have spent in states up until the March 13 primaries: 

IOWA:  Gingrich (52), Romney (17), Paul (39), Santorum (90)

NEW HAMPSHIRE: Gingrich (33), Romney (54), Paul (36), Santorum (48)
SOUTH CAROLINA: Gingrich (33), Romney (21), Paul (10), Santorum (40)
FLORIDA: Gingrich (20), Romney (26), Paul (6), Santorum (16)
NEVADA: Gingrich (3), Romney (9), Paul (9), Santorum (3)
COLORADO: Gingrich (1), Romney (3), Paul (1), Santorum (5)
MINNESOTA: Gingrich (1), Romney (1), Paul (3), Santorum (4)
MISSOURI: Gingrich (0), Romney (0), Paul (0), Santorum (2)
MAINE: Gingrich (0), Romney (2), Paul (3), Santorum (0)
ARIZONA: Gingrich (0), Romney (1), Paul (0), Santorum (0)
MICHIGAN: Gingrich (1), Romney (6), Paul (1), Santorum (1)
WASHINGTON: Gingrich (0), Romney (0), Paul (0), Santorum (1)
ALASKA: Gingrich (0), Romney (0), Paul (0), Santorum (0)
GEORGIA: Gingrich (0), Romney (1), Paul (0), Santorum (0)
IDAHO: Gingrich (0), Romney (0), Paul (0), Santorum (1)
MASSACHUSETTS: Gingrich (0), Romney (1), Paul (0), Santorum (0)
NORTH DAKOTA: Gingrich (0), Romney (0), Paul (0), Santorum (1)
OHIO: Gingrich (2), Romney (0), Paul (0), Santorum (0)
OKLAHOMA: Gingrich (0), Romney (0), Paul (0), Santorum (1)
TENNESSEE: Gingrich (0), Romney (0), Paul (0), Santorum (0)
VERMONT: Gingrich (0), Romney (0), Paul (0), Santorum (0)
VIRGINIA: Gingrich (0), Romney (1), Paul (0), Santorum (0)
KANSAS: Gingrich (0), Romney (0), Paul (0), Santorum (0)
ALABAMA: Gingrich (0), Romney (0), Paul (0), Santorum (0)
HAWAII: Gingrich (0), Romney (0), Paul (0), Santorum (0)
MISSISSIPPI: Gingrich (0), Romney (0), Paul (0), Santorum (0)

*** Note: Counts for Iowa, New Hampshire, South Carolina, Florida, Michigan and Nevada began on January 1, 2011 and end edon that state’s caucus/primary day.  Counts for all other states began on January 1, 2012.