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 269 66.4%
2 United States 52 12.8%
3 Germany 32 7.9%
4 Canada 12 3%
5 Taiwan 11 2.7%
6 Netherlands 9 2.2%
7 France 4 1%
8 Australia 3 0.7%
9 Singapore 3 0.7%
10 South Africa 2 0.5%
11 United Kingdom 2 0.5%
12 Italy 2 0.5%
13 Japan 2 0.5%
14 Hong Kong 1 0.2%
15 India 1 0.2%