| Year | Number of establishments |
|---|---|
1994 |
550,308 |
1995 |
584,184 |
1996 |
588,326 |
1997 |
614,966 |
1998 |
609,584 |
1999 |
609,569 |
2000 |
634,276 |
2001 |
630,875 |
2002 |
612,069 |
2003 |
609,378 |
2004 |
602,667 |
2005 |
632,510 |
2006 |
667,341 |
2007 |
656,107 |
2008 |
626,771 |
2009 |
548,201 |
2010 |
505,473 |
[Chart]