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 | Team | Games | Attempts | Yards | YPC | Long | TDs |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1983 | Los Angeles Rams | 16 | 390 | 1,808 | 4.6 | 85 | 18 |
| 1984 | Los Angeles Rams | 16 | 379 | 2,105 | 5.6 | 66 | 14 |
| 1985 | Los Angeles Rams | 14 | 292 | 1,234 | 4.2 | 43 | 12 |
| 1986 | Los Angeles Rams | 16 | 404 | 1,821 | 4.5 | 42 | 11 |
| 1987 | Los Angeles Rams | 3 | 60 | 277 | 4.6 | 57 | 1 |
| 1987 | Indianapolis Colts | 9 | 223 | 1,011 | 4.5 | 53 | 5 |
| 1988 | Indianapolis Colts | 16 | 388 | 1,659 | 4.3 | 41 | 14 |
| 1989 | Indianapolis Colts | 15 | 314 | 1,311 | 4.2 | 21 | 7 |
| 1990 | Indianapolis Colts | 11 | 166 | 677 | 4.1 | 43 | 4 |
| 1991 | Indianapolis Colts | 10 | 167 | 536 | 3.2 | 28 | 2 |
| 1992 | Los Angeles Raiders | 16 | 187 | 729 | 3.9 | 40 | 2 |
| 1993 | Atlanta Falcons | 4 | 26 | 91 | 3.5 | 10 | 0 |
| Career |  | 146 | 2,996 | 13,259 | 4.4 | 85 | 90 |
Question:
which year did dickerson earn the most rushing yards?
Answer:
1984