The commodity index of soda ash on January 23 is 67.28, which 0.1 point down than January 22. Compared to the peak point 100.00 in this period (Sep 5, 2011), it drops 32.72 percent. But to the lowest point 65.64, it is 2.50 percent higher. (Note: the period refers Sep. 1, 2011 to now)
Since November 12, the soda ash has dropped 1.479 percent in successive 43 days.
Source:
http://www.glassinchina.com/news/newsDisplay_20042.html
