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 81 51.9%
2 United States 32 20.5%
3 Netherlands 13 8.3%
4 Hong Kong 8 5.1%
5 Germany 6 3.8%
6 Japan 4 2.6%
7 Russia 3 1.9%
8 Italy 2 1.3%
9 Canada 2 1.3%
10 Egypt 2 1.3%
11 France 1 0.6%
12 Korea, Republic of 1 0.6%
13 Ukraine 1 0.6%