| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | this table displays the results of barriers to volunteering among non-volunteers 2013 (ref.), 2010, 2007 and 2004 (appearing as column headers) |  |  |  |  |
| 3 |  | 2013 | 2010 | 2007 | 2004 |
| 4 | dissatified with previous volunteer experience | 9 | 7 | 8 | 6 |
| 5 | financial costs | 18 | 17 | 18 | 15 |
| 6 | did not know how to become involved | 24 | 22 | 24 | 22 |
| 7 | gave enough time already | 24 | 17 | 15 | 15 |
| 8 | health problems or not physically able | 25 | 26 | 27 | 26 |
| 9 | no interest | 29 | 27 | 26 | 23 |
| 10 | no one asked | 49 | 45 | 44 | 40 |
| 11 | prefer to give money instead | 54 | 52 | 53 | 49 |
| 12 | inability to make long-term commitment | 62 | 62 | 62 | 58 |
| 13 | did not have the time | 66 | 67 | 68 | 67 |

Question: what is the percentage of non-volunteers citing a lack of interest in volunteering in 2004?
Answer: 23

Question: what is the percentage of non-volunteers citing a lack of interest in volunteering in 2013?
Answer: 29