![](//s1.studylibfr.com/store/data-gzf/0862ef71c9f3260282b209169e0da5bd/1/010181573.htmlex.zip/bg1.jpg)
0.5
20202021
20192020
20182019
20172018
20162017
79302.2
69513.2
90187
50494
81996.6
309002.7
255434
322484
300694
207338.6
16764.8
17231.8
16111
10964
17113
405069.7
342179
428782
362152
306448.2
2021
0.5