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 266 50.1%
2 United States 195 36.7%
3 Germany 36 6.8%
4 Taiwan 8 1.5%
5 Hong Kong 7 1.3%
6 Singapore 6 1.1%
7 Ireland 3 0.6%
8 Lithuania 3 0.6%
9 Romania 2 0.4%
10 Japan 2 0.4%
11 Brazil 1 0.2%
12 Canada 1 0.2%
13 Turkey 1 0.2%