Table 4 Summary of the periodicities of SPCI3, SSMI1 and SRI1 in Guangdong
Num | SPCI3 | SSMI1 | SRI1 |
|---|---|---|---|
1 | 4–7 months (From 2008 to 2009) | 7–14 months (From 2008 to 2010) | 4–8 months (From 2009 to 2010) |
2 | 7–14 months (From 2008 to 2011) | 16–26 months (From 2009 to 2015) | 20–22 months (From 2010 to 2012) |
3 | 20–24 months (From 2010 to 2012) | 4–8 months (From 2012 to 2014) | 6–8 months (From 2013 to 2014) |
4 | 4–6 months (From 2011 to 2012) | 5–12 months (From 2014 to 2021) | 4–5 months (From 2014 to 2015) |
5 | 12–16 months (From 2011 to 2013) | 32–40 months (From 2015 to 2019) | 5–14 months (From 2016 to 2021) |
6 | 5–12 months (From 2016 to 2021) |  |  |
7 | 16–20 months (From 2018 to 2021) |  |  |