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:
| gun class (pdr.) | shot diameter (cm) | shot volume (cm 3 ) | approx. service bore (cm) | mass of projectile (kg) |
| --- | --- | --- | --- | --- |
| 2.0 | 6.04 | 172.76 | 6.64 | 0.90846 |
| 3.0 | 6.91 | 172.76 | 7.6 | 1.36028 |
| 4.0 | 7.6 | 230.3 | 8.37 | 1.81339 |
| 6.0 | 8.71 | 345.39 | 9.58 | 2.71957 |
| 9.0 | 10.0 | 518.28 | 11.0 | 4.08091 |
| 12.0 | 10.97 | 691.22 | 12.07 | 5.44269 |
| 18.0 | 12.56 | 1036.96 | 13.81 | 8.16499 |
| 24.0 | 13.82 | 1382.65 | 15.2 | 10.88696 |
| 32.0 | 15.21 | 1843.5 | 16.73 | 14.51572 |
| 64.0 | 19.17 | 3686.9 | 21.08 | 29.03063 |
Question:
How many times is the shot volume (cm3) less than 172.76?
Answer:
0.0