BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 194 60.4%
2 United States 49 15.3%
3 Germany 42 13.1%
4 Japan 9 2.8%
5 India 4 1.2%
6 Canada 4 1.2%
7 Russia 3 0.9%
8 Cambodia 3 0.9%
9 Australia 2 0.6%
10 Malaysia 2 0.6%
11 Turkey 2 0.6%
12 Poland 2 0.6%
13 Romania 2 0.6%
14 Uzbekistan 1 0.3%
15 Moldova, Republic of 1 0.3%
16 Latvia 1 0.3%