The numbers making news around China during the week of Feb 25, 2013

$850 billion
Amount China plans to spend to improve filthy water supplies over the next decade. Reuters

173,000
Number of foreign citizens living in Shanghai by the end of 2012 - a 6.7 percent increase over 2011. They make up about a quarter of the expats in all of Mainland China. Shanghai Daily

3
Maximum number of flies that will be allowed per square meter in stand-alone public toilets in China under proposed hygiene standards from the Chinese Health Ministry. South China Morning Post

90 percent
Proportion of Sina Weibo’s 500 million accounts that are inactive most of the year. Tech in Asia

58 percent 
Proportion of people who say they’re sure that they will not cheat on their spouse even if they meet someone else they like, according to a recent survey. People’s Daily

105
Number of times the copper wire China needs each month could wrap around the globe. Copper use in China will jump 8 percent to a record 8.833 million metric tons this year, boosting global demand and creating a 6,000-ton product deficit versus a surplus of 216,000 tons in 2012. Bloomberg

$268.5 billion
Amount Chinese consumers are expected to spend on online shopping in 2013, which will make it the largest online retail market in the world. Tech in Asia

38 percent
Proportion of officials convicted of corruption who serve no prison time. Global Times