2011
10%
Protezione sociale
20%
30%
40%
50%
60%
70%
80%
90%
100%
7%
1990
4%
5%
14%
1%
3%
14%
2%
12%
37%
8%
1991
4%
5%
13%
1%
3%
15%
2%
12%
38%
8%
1992
4%
5%
12%
1%
3%
15%
2%
12%
39%
8%
1993
4%
5%
12%
1%
3%
14%
2%
12%
40%
8%
1994
4%
5%
11%
1%
2%
14%
2%
11%
43%
7%
1995
3%
5%
11%
1%
2%
13%
2%
11%
45%
8%
1996
3%
5%
11%
1%
2%
13%
2%
11%
43%
8%
1997
3%
5%
10%
1%
2%
14%
2%
11%
44%
8%
1998
3%
5%
11%
1%
3%
14%
2%
11%
43%
9%
1999
3%
5%
10%
1%
2%
14%
2%
11%
43%
9%
2000
3%
5%
8%
1%
2%
15%
2%
11%
44%
9%
2001
3%
5%
11%
1%
2%
15%
2%
11%
42%
10%
2002
3%
5%
11%
1%
1%
15%
2%
11%
42%
10%
2003
3%
5%
10%
1%
2%
15%
2%
11%
41%
10%
2004
3%
5%
10%
1%
2%
16%
2%
10%
41%
10%
2005
3%
5%
10%
1%
2%
16%
2%
11%
41%
9%
2006
3%
4%
12%
1%
2%
16%
2%
10%
41%
9%
2007
3%
5%
10%
1%
2%
16%
2%
10%
42%
9%
2008
3%
4%
10%
1%
2%
16%
2%
10%
43%
9%
2009
4%
4%
11%
1%
2%
16%
2%
10%
43%
9%
2010
3%
5%
9%
1%
2%
16%
2%
9%
44%
9%
2011
4%
5%
9%
1%
2%
16%
1%
9%
45%