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 153 52.4%
2 United States 60 20.5%
3 Germany 38 13%
4 Canada 8 2.7%
5 Japan 7 2.4%
6 Singapore 5 1.7%
7 South Africa 2 0.7%
8 Switzerland 2 0.7%
9 Taiwan 2 0.7%
10 Hong Kong 2 0.7%
11 Latvia 2 0.7%
12 Netherlands 2 0.7%
13 Norway 2 0.7%
14 Romania 2 0.7%
15 Chile 2 0.7%
16 Australia 2 0.7%
17 Brazil 1 0.3%