请阅读下面这张Markdown格式的表格并回答问题。同一行中不同列的单元格用'|'分隔，不同行的单元格用'
'分隔。

表格标题:
85表15：南京住宅期房2007-2012年1月各月成交面积（万平） 
表格:
| 时间 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2008.0 | 47.0 | 18.0 | 40.0 | 41.0 | 48 | 50.0 | 37.0 | 23.0 | 20.0 | 23.0 | 37.0 | 65.0 |
| 2009.0 | 45.0 | 42.0 | 83.0 | 91.0 | 87 | 93.0 | 108.0 | 88.0 | 74.0 | 83.0 | 121.0 | 168.0 |
| 2010.0 | 41.0 | 20.0 | 42.0 | 67.0 | 23 | 24.0 | 19.0 | 36.0 | 62.0 | 74.0 | 62.0 | 66.0 |
| 2011.0 | 75.0 | 23.0 | 22.0 | 21.0 | None | 28.0 | 34.0 | 26.0 | 32.0 | 37.0 | 31.0 | 38.0 |
问题:
哪几年的住宅期房成交面积一月份低于70万平或者二月份超过20万平的
Answer:
2008.0
2009.0
2010.0
2011.0