| YEAR | PCMG# OF MEMBERS | PROJECTS PER YEAR |
| 1988 | 19 | |
| 1989 | 59 | |
| 1990 | 113 | |
| 1991 | 120 | |
| 1992 | 130 | |
| 1993 | 185 | |
| 1994 | 163 | |
| 1995 | 181 | |
| 1996 | 189 | |
| 1997 | 215 | |
| 1998 | 236 | |
| 1999 | 208 | |
| 2000 | 267 | |
| 2001 | 276 | |
| 2002 | 283 | 17 |
| 2003 | 296 | 20 |
| 2004 | 318 | 23 |
| 2005 | 318 | 23 |
| 2006 | 361 | 24 |
| 2007 | 386 | 24 |
| 2008 | 402 | 25 |
| 2009 | 385 | 26 |
| 2010 | 417 | 27 |
| 2011 | 403 | 27 |
| 2012 | 418 | 27 |
| 2013 | 428 | 27 |
| 2014 | 476 | 27 |
| 2015 | 465 | 29 |
| 2016 | 495 | 32 |
| 2017 | 494 | 32 |
| 2018 | ||
| 2019 | ||
| 2020 | ||