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:
| Rank by average | Place | Couple | Total points | Number of dances | Average |
| --- | --- | --- | --- | --- | --- |
| 1.0 | 2.0 | Laura and Colin | 348.0 | 13.0 | 26.8 |
| 2.0 | 1.0 | Sam and Brianne | 337.0 | 13.0 | 25.9 |
| 3.0 | 3.0 | Chloe & Michael | 290.0 | 13.0 | 22.3 |
| 4.0 | 5.0 | Jeff & Isabelle | 181.5 | 9.0 | 20.2 |
| 5.0 | 7.0 | Vanilla Ice & Katie | 128.0 | 7.0 | 18.2 |
| 6.0 | 10.0 | Jennifer & Sylvain | 69.0 | 4.0 | 17.3 |
| 7.0 | 4.0 | Johnson & Jodeyne | 164.0 | 11.0 | 14.9 |
| 8.0 | 6.0 | Denise & Matt | 116.5 | 8.0 | 14.6 |
| 9.0 | 8.0 | Kerry & Daniel | 69.0 | 6.0 | 11.5 |
| 10.0 | 11.0 | Dominic & Alexandra | 33.5 | 3.0 | 11.2 |
| 11.0 | 16.0 | Angela & Sean | 11 | 1.0 | 11.0 |
| 11.0 | 14.0 | Elen & Łukasz | 11 | 1.0 | 11.0 |
| 11.0 | 9.0 | Comedy Dave & Frankie | 55.0 | 5.0 | 11.0 |
| 14.0 | 15.0 | Nadia & Mark | 9 | 1.0 | 9.0 |
| 14.0 | 13.0 | Craig & Maria | 9 | 1.0 | 9.0 |
Question:
How many times is the rank by average 4?
Answer:
1.0