According to the Florida Sports Foundation here are the individual team attendance figures for the 2009 Grapefruit League spring training season:

Atlanta Braves, Champion Stadium, Disney’s Wide World of Sports, Lake Buena Vista
16 games; 133,016 total attendance; 8,314 average per game
Largest crowd: 10,955 vs. New York Yankees, Saturday, March 28

Baltimore Orioles, Fort Lauderdale Stadium
16 games (two cancellations); 73,415 total attendance; 4,588 average per game
Largest crowd: 8,269 vs. Boston Red Sox, Saturday, March 14

Boston Red Sox, City of Palms Park, Fort Myers
15 games; 117,832 total attendance; 7,855 average per game
Largest crowd: 8,279 vs. Detroit Tigers, Monday, March 23

Cincinnati Reds, Ed Smith Stadium, Sarasota
15 games; 77,758 total attendance; 5,184 average per game
Largest crowd: 7,530 vs. Boston Red Sox, Thursday, March 19

Detroit Tigers, Joker Marchant Stadium, Lakeland
16 games; 111,131 tottal attendance; 6,946 average per game
Largest crowd: 9,680 vs. New York Yankees, Wednesday, March 11

Florida Marlins, Roger Dean Stadium, Jupiter
17 games; 69,726 total attendance; 4,102 average per game
Largest crowd: 8,131 vs. Boston Red Sox, Saturday, March 21

Houston Astros, Osceola County Stadium, Kissimmee
17 games; 62,326 total attendance; 3,666 average per game
Largest crowd: 6,6,78 vs. New York Yankees, Wednesday, March 18

Minnesota Twins, William Hammond Stadium, Fort Myers
17 games; 122,555 total attendance; 7,209 average per game
Largest crowd: 8,027 vs. Baltimore Orioles, Monday, March 16

New York Mets, Tradition Field, Port St. Lucie
16 games; 82,116 total attendance; 5,136 average per game
Largest crowd: 7,135 vs. Atlanta Braves, Sunday, March 22

New York Yankees, George M. Steinbrenner Field, Tampa
16 games; 168,922 total attendance; 10,558 average per game
Largest crowd: 11,113 vs. Boston Red Sox, Tuesday, March 24

Philadelphia Phillies, Bright House Field, Clearwater
16 games; 133,620 total attendance; 8,353 average per game
Largest Crowd, 10,335 vs. St. Louis Cardinals, Sunday, March 15

Pittsburgh Pirates, McKechnie Field, Bradenton
19 games; 87,195 total attendance; 4,589 average per game
Largest crowd: 5,866 vs. New York Yankees, Saturday, March 14

St. Louis Cardinals, Roger Dean Stadium, Jupiter
18 games; 101,740 total attendance; 5,652 average per game
Largest crowd: 8,306 vs. Boston Red Sox, Thursday, March 12

Tampa Bay Rays, Charlotte Sports Park, Port Charlotte
15 games; 97,692 total attendance; 6,513 average per game
Largest crowd: 7,621 vs. New York Yankees

Toronto Blue Jays, Dunedin Stadium, Dunedin
16 games; 68,674 total attendance; 4,292 average per game
Largest crowd: 5,742, vs. Tampa Bay Rays, Friday, March 20

Washington Nationals, Space Coast Stadium, Viera
14 games; 54,154 total attendance; 3,868 average per game
Largest crowd: 6,182, vs. St. Louis Cardinals, Saturday, March 21

Florida Spring Training (1999-2009)
2009:  1,561,873 total attendance; 6,030 average per game
2008:  1,677,858 total attendance, 6,478 average attendance
2007:  1,716,840, total attendance; 6,243 average attendance
2006:  1,604,393, total attendance; 5,855 average attendance
2005:  1,598,454, total attendance; 6,244 average attendance
2004:  1,557,934, total attendance; 5,792 average attendance
2003:  1,397,144, total attendance; 5,272, average attendance
2002:  1,538,444, total attendance; 5,028, average attendance
2001:  1,500,184, total attendance; 5,320, average attendance
2000:  1,598,255, total attendance; 5,473, average attendance
1999:  1,502,617, total attendance; 5,042, average attendance