| Year | Value (%) |
|---|---|
|
1983 |
0.5 |
|
1980 |
0.5 |
|
1978 |
0.5 |
|
1976 |
0.5 |
|
1974 |
0.75 |
|
1972 |
0.75 |
|
1970 |
0.99 |
|
1969 |
0.5 |
|
1968 |
0.75 |
|
1967 |
0.75 |
| Income share held by lowest 10% | 2.10 | % (2012) |
| Income share held by lowest 20% | 5.50 | % (2012) |
| Income share held by second 20% | 10.30 | % (2012) |
| Income share held by third 20% | 15.20 | % (2012) |
| Income share held by fourth 20% | 22 | % (2012) |
| Income share held by highest 20% | 47.10 | % (2012) |
| Income share held by highest 10% | 31.20 | % (2012) |