Year
|
Excellent quality or compliance with guide values
|
At least sufficient quality or compliance with mandatory values
|
Poor or non-complying
|
Closed
|
Quality classification not possible
|
1990
|
68.26
|
79.81
|
9.16
|
0
|
11.03
|
1991
|
58.74
|
80.85
|
7.7
|
0.3
|
11.15
|
1992
|
71.13
|
82.28
|
7.87
|
0.38
|
9.47
|
1993
|
74.81
|
86.07
|
6.38
|
0.22
|
7.33
|
1994
|
76.75
|
88.89
|
6.14
|
0.16
|
4.82
|
1995
|
74.17
|
84.6
|
5.12
|
0.14
|
10.14
|
1996
|
82.14
|
91.64
|
4.62
|
0.11
|
3.64
|
1997
|
82.71
|
93.27
|
5.33
|
0.13
|
1.27
|
1998
|
83.8
|
94.6
|
4.51
|
0.14
|
0.75
|
1999
|
85.25
|
95.05
|
3.55
|
0.12
|
1.27
|
2000
|
85.76
|
95.08
|
2.73
|
0.12
|
2.07
|
2001
|
86.34
|
95.37
|
2.67
|
0.17
|
1.79
|
2002
|
86.98
|
95.75
|
1.75
|
1.03
|
1.48
|
2003
|
89.29
|
96.83
|
1.17
|
1.4
|
0.61
|
2004
|
88.46
|
96.69
|
1.48
|
1.5
|
0.32
|
2005
|
89.05
|
96.06
|
1.32
|
1.91
|
0.71
|
2006
|
88.41
|
96.14
|
1.51
|
1.95
|
0.4
|
2007
|
86.08
|
95.21
|
2.19
|
2.14
|
0.47
|
2008
|
84.98
|
96.27
|
1.43
|
2.11
|
0.19
|
2009
|
86.73
|
95.86
|
1.51
|
2.16
|
0.47
|
2010
|
80.6
|
92.52
|
1.12
|
0.3
|
6.06
|
2011
|
81.33
|
93.65
|
1.36
|
0.9
|
4.09
|
2012
|
82.03
|
95.53
|
1.64
|
0.05
|
2.78
|
2013
|
85.19
|
96.76
|
1.89
|
0.03
|
1.33
|