| CT | MRI | PET | |||
---|---|---|---|---|---|---|
Year | Number | Increase rate year on year (%) | Number | Increase rate year on year (%) | Number | Increase rate year on year (%) |
1995 | 236 | – | 39 | – | – | – |
1996 | 242 | 2.54% | 40 | 2.56% | – | – |
1997 | 272 | 12.40% | 55 | 37.50% | – | – |
1998 | 291 | 6.99% | 56 | 1.82% | – | – |
1999 | 287 | −1.37% | 63 | 12.50% | – | – |
2000 | 308 | 7.32% | 72 | 14.29% | – | – |
2001 | 310 | 0.65% | 81 | 12.5% | – | – |
2002 | 317 | 2.26% | 86 | 6.17% | – | – |
2003 | 325 | 2.52% | 92 | 6.98% | – | – |
2004 | 318 | −2.15% | 102 | 10.87% | – | – |
2005 | 321 | 0.94% | 115 | 12.75% | 22 | – |
2006 | 320 | −0.31% | 126 | 9.57% | 27 | 22.73% |
2007 | 318 | −0.63% | 130 | 3.17% | 29 | 7.41% |
2008 | 321 | 0.94% | 142 | 9.23% | 34 | 17.24% |
2009 | 331 | 3.12% | 156 | 9.86% | 38 | 11.76% |
2010 | 329 | −0.60% | 164 | 5.13% | 40 | 5.26% |