CPR, or cardiopulmonary resuscitation, involves chest compressions in an effort to create artificial circulation by manually pumping blood through the heart and thus the body. See it demonstrated here.
| Once | 18 % |
| 2-5 times | 27 % |
| 6-10 times | 6 % |
| More than 10 times | 3 % |
| Never | 47 % |
| Total | 229 |