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 142 44.4%
2 United States 68 21.2%
3 Germany 29 9.1%
4 Netherlands 27 8.4%
5 Canada 13 4.1%
6 Hong Kong 12 3.8%
7 Australia 9 2.8%
8 Malaysia 7 2.2%
9 3 0.9%
10 Russia 3 0.9%
11 Taiwan 3 0.9%
12 Turkey 1 0.3%
13 Singapore 1 0.3%
14 France 1 0.3%
15 Japan 1 0.3%