Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| year | performance | world ranking | venue | date |
| 1979 | 8.22.72 | 3 | turin | jun 9 |
| 1980 | 8.12.5 | 4 | rome | aug 5 |
| 1981 | 8.13.32 | 1 | zagreb | aug 16 |
| 1982 | 8.22.34 | 14 | berlin | aug 20 |
| 1983 | 8.21.17 | 19 | helsinki | aug 12 |
Title:
mariano scartezzini
Statement:
mariano 's top tanked performances span a period of 4 years , 1979 - 1983
Answer:
supported