| Year | Value (%) |
|---|---|
|
2012 |
37.77 |
|
2010 |
35.27 |
|
2005 |
27.76 |
|
2001 |
31.87 |
|
1999 |
25.14 |
|
1997 |
26.07 |
|
1993 |
28.21 |
|
1980 |
16.02 |
| Income share held by lowest 10% | 2.20 | % (2012) |
| Income share held by lowest 20% | 5.80 | % (2012) |
| Income share held by second 20% | 10.00 | % (2012) |
| Income share held by third 20% | 14.10 | % (2012) |
| Income share held by fourth 20% | 20.7 | % (2012) |
| Income share held by highest 20% | 49.40 | % (2012) |
| Income share held by highest 10% | 33.50 | % (2012) |