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:
| Census year | Census year | 2001 | 2006 | 2011 |
| --- | --- | --- | --- | --- |
| Population | Estimated residents on Census night | 58,319 | 63,605 | 67,356 |
| Population | LGA rank in terms of size within New South Wales |  | 19 |  |
| Population | % of New South Wales population |  |  | 0.97% |
| Population | % of Australian population | 0.31% | 0.32% | 0.31% |
| Cultural and language diversity | Cultural and language diversity |  |  |  |
| Ancestry,\ntop responses | English |  |  | 20.5% |
| Ancestry,\ntop responses | Australian |  |  | 18.3% |
| Ancestry,\ntop responses | Chinese |  |  | 14.5% |
| Ancestry,\ntop responses | Irish |  |  | 7.4% |
| Ancestry,\ntop responses | Scottish |  |  | 5.6% |
| Language,\ntop responses\n(other than English) | Cantonese | 6.7% | 7.6% | 7.5% |
| Language,\ntop responses\n(other than English) | Mandarin | 3.6% | 5.5% | 7.2% |
| Language,\ntop responses\n(other than English) | Korean | 1.7% | 2.7% | 3.6% |
| Language,\ntop responses\n(other than English) | Japanese | 2.4% | 2.4% | 2.3% |
| Language,\ntop responses\n(other than English) | Armenian | n/c | 1.4% | 1.3% |
| Religious affiliation | Religious affiliation |  |  |  |
| Religious affiliation,\ntop responses | No religion | 18.6% | 22.0% | 27.6% |
| Religious affiliation,\ntop responses | Catholic | 26.1% | 25.5% | 25.0% |
| Religious affiliation,\ntop responses | Anglican | 19.5% | 17.6% | 15.6% |
| Religious affiliation,\ntop responses | Buddhism | 3.7% | 4.4% | 4.6% |
| Religious affiliation,\ntop responses | Presbyterian and Reformed | n/c | n/c | 3.1% |
| Median weekly incomes | Median weekly incomes |  |  |  |
| Personal income | Median weekly personal income |  | A$728 | A$858 |
| Personal income | % of Australian median income |  | 156.2% | 148.7% |
| Family income | Median weekly family income |  | A$1,667 | A$2,479 |
| Family income | % of Australian median income |  | 162.3% | 167.4% |
| Household income | Median weekly household income |  | A$2,066 | A$1,996 |
| Household income | % of Australian median income |  | 176.4% | 161.8% |
Question:
compare religious affiliation in 2001 to 2011. percentage wise, by how much did "no religion" increase from 2001 to 2011
Answer:
9%