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:
| Year | Award | Category | Nomination | Result |
| --- | --- | --- | --- | --- |
| 2007.0 | Metro Radio Hit Awards | Best Overseas New Artist | Danson Tang | Won |
| 2007.0 | Metro Radio Hit Awards | Best New Artist (popular vote) | Danson Tang | Won |
| 2008.0 | Metro Radio Mandarin Music Awards | Songs of the Year | "分開以後" (After The Breakup) from Love Me | Won |
| 2008.0 | Metro Radio Mandarin Music Awards | Best Improved Singer (躍進歌手) | Danson Tang | Won |
| 2009.0 | 2009 Modern Shanghai Awards 2009摩登上海精彩在沃年度大賞 | Trend Setter Award (潮流先鋒獎) | Danson Tang | Won |
Question:
What was the total number of years than had best improved singer (躍進歌手)?
Answer:
2008.0