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 346 69.5%
2 United States 71 14.3%
3 Germany 39 7.8%
4 Hong Kong 9 1.8%
5 Netherlands 8 1.6%
6 Singapore 4 0.8%
7 Japan 4 0.8%
8 Macao 3 0.6%
9 Malaysia 3 0.6%
10 Russia 3 0.6%
11 Australia 2 0.4%
12 Romania 2 0.4%
13 Taiwan 1 0.2%
14 Turkey 1 0.2%
15 Finland 1 0.2%
16 Korea, Republic of 1 0.2%