2008 2009 2010 2011  2012 2013 2014 2015 2016 2017
Active 10,376 10,799 10,972 11,099 10,615 11,007 11,779 11,979 12,739 13,137
Retired 509 564 552 545 599 622 720 748 875 904
Institutional 64 75 71 78 76 75 88 66 65 59
College Students 2,820 3,066 3,217 3,457 3,495 3,397 3,627 3,835 4,232 4,328
Sustaining 530 591 511 525 568 539 549 571 582 717
Total 14,299 15,095 15,323 15,704 15,353 15,640 16,763 17,199 18,493 19,145