Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Vote % | Place | Seats | Place | Cabinet |
| --- | --- | --- | --- | --- | --- |
| 1945 |  |  | 25 | 1st | Yes |
| 1948 |  |  | 22 | 1st | Yes |
| 1951 |  |  | 21 | 1st | Yes |
| 1954 | 42.4 | 1st | 26 | 1st | Yes |
| 1959 | 36.9 | 1st | 21 | 1st | Yes |
| 1964 | 33.3 | 2nd | 22 | 1st | Yes |
| 1968 | 35.2 | 1st | 21 | 1st | Yes |
| 1974 | 27.6 | 2nd | 18 | 1st | No |
| 1979 | 34.5 | 1st | 24 | 1st | Yes |
| 1984 | 34.9 | 1st | 25 | 1st | Yes |
| 1989 | 32.4 | 1st | 22 | 1st | Yes |
| 1994 | 30.3 | 1st | 21 | 1st | Yes |
| 1999 | 30.1 | 1st | 19 | 1st | Yes |
| 2004 | 36.1 | 1st | 24 | 1st | Yes |
| 2009 | 38.0 | 1st | 26 | 1st | Yes |
| 2013 | 33.6 | 1st | 23 | 1st | No |
Question:
in which year was there the same decrease in seats as the decrease in seats in the year 1948?
Answer:
1989