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:
| round | finishing date | rally name | rally base | surface | support category |
| 1 | 10 - 13 february | rally sweden | karlstad | snow | pwrc |
| 2 | 3 - 6 march | rally guanajuato mexico | león | gravel | swrc |
| 3 | 24 - 27 march | vodafone rally de portugal | faro | gravel | pwrc / wrc academy |
| 4 | 14 - 16 april | jordan rally | amman | gravel | swrc |
| 5 | 5 - 8 may | rally d'italia sardegna | olbia | gravel | swrc / wrc academy |
| 6 | 26 - 29 may | rally argentina | villa carlos paz | gravel | pwrc |
| 7 | 16 - 19 june | acropolis rally | loutraki | gravel | swrc |
| 8 | 28 - 30 july | neste oil rally finland | jyväskylä | gravel | swrc / pwrc / wrc academy |
| 9 | 18 - 21 august | adac rallye deutschland | trier | asphalt | swrc / wrc academy |
| 10 | 8 - 11 september | rally australia | coffs harbour | gravel | pwrc |
| 11 | 29 september - 2 october | rallye de france alsace | strasbourg | asphalt | swrc / wrc academy |
| 12 | 20 - 23 october | rallyracc - rally of spain | salou | asphalt & gravel | swrc / pwrc |
Title:
2011 world rally championship season
Statement:
races occurred on gravel surfaces a total of eight times
Answer:
supported