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:
| Season | Level | Division | Section | Position | Movements |
| --- | --- | --- | --- | --- | --- |
| 1960 | Tier 4 | Division 4 | Hälsingland | 3rd |  |
| 1961 | Tier 4 | Division 4 | Hälsingland | 2nd |  |
| 1962 | Tier 4 | Division 4 | Hälsingland | 1st | Promoted |
| 1963 | Tier 3 | Division 3 | Södra Norrland | 6th |  |
| 1964 | Tier 3 | Division 3 | Södra Norrland Nedre | 4th |  |
| 1965 | Tier 3 | Division 3 | Södra Norrland Nedre | 10th | Relegated |
| 1966 | Tier 4 | Division 4 | Hälsingland | 9th |  |
| 1967 | Tier 4 | Division 4 | Hälsingland | 2nd |  |
| 1968 | Tier 4 | Division 4 | Hälsingland | 6th |  |
| 1969 | Tier 4 | Division 4 | Hälsingland | 3rd |  |
| 1970 | Tier 4 | Division 4 | Hälsingland | 2nd |  |
| 1971 | Tier 4 | Division 4 | Hälsingland | 1st | Promotion Playoffs – Promoted |
| 1972 | Tier 3 | Division 3 | Norra Svealand | 6th |  |
| 1973 | Tier 3 | Division 3 | Norra Svealand | 11th | Relegated |
| 1974 | Tier 4 | Division 4 | Hälsingland | 1st | Promoted |
| 1975 | Tier 3 | Division 3 | Södra Norrland | 9th |  |
| 1976 | Tier 3 | Division 3 | Södra Norrland | 9th |  |
| 1977 | Tier 3 | Division 3 | Södra Norrland | 9th |  |
| 1978 | Tier 3 | Division 3 | Södra Norrland | 6th |  |
| 1979 | Tier 3 | Division 3 | Södra Norrland | 9th |  |
| 1980 | Tier 3 | Division 3 | Södra Norrland | 7th |  |
| 1981 | Tier 3 | Division 3 | Södra Norrland | 9th |  |
| 1982 | Tier 3 | Division 3 | Södra Norrland | 12th | Relegated |
| 1982 | Tier 4 | Division 4 | Hälsingland | 3rd |  |
Question:
how long in years total have they played level tier 4?
Answer:
11