The Usage of Italian Solfeggios and Vocalizations in the Contemporary Czech Singing-Educational Process
Table 1: Length of practice
| Answer | Number of Respondents | Share |
| 16 and over | 69 | 48.6 % |
| 2-5 | 28 | 19.7 % |
| 6-10 | 25 | 17.6 % |
| 11-15 | 19 | 13.4 % |
| Less than 1 year | 1 | 0.7 % |