Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Total

2005

1,333

1,223

1,102

3,658

2006

1,338

1,114

1,288

1,056

1,194

1,312

1,347

1,551

1,601

1,829

1,526

1,340

16,496

2007

1,686

1,410

1,572

1,450

1,608

1,733

1,794

1,950

1,796

2,034

1,648

1,482

20,163

2008

1,732

1,462

1,634

1,623

1,649

1,802

1,905

1,845

1,933

2,044

1,713

1,624

20,966

2009

1,948

1,581

1,921

1,761

1,692

1,992

2,021

2,001

1,928

1,989

18,834