| Year | Number of Hospitals |
|---|---|
| 1988 | 5,607 |
| 1989 | 5,548 |
| 1990 | 5,468 |
| 1991 | 5,412 |
| 1992 | 5,334 |
| 1993 | 5,313 |
| 1994 | 5,290 |
| 1995 | 5,260 |
| 1996 | 5,182 |
| 1997 | 5,113 |
| 1998 | 4,915 |
| 1999 | 4,859 |
| 2000 | 4,839 |
| 2001 | 4,812 |
| 2002 | 4,840 |
| 2003 | 4,836 |
| 2004 | 4,906 |
| 2005 | 5,146 |
| 2006 | 5,124 |
| 2007 | 5,099 |
| 2008 | 5,162 |
| 2009 | 5,128 |
| 2010 | 5,134 |
| 2011 | 5,132 |