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 193 50.1%
2 United States 102 26.5%
3 Germany 40 10.4%
4 Taiwan 21 5.5%
5 Australia 6 1.6%
6 Russia 5 1.3%
7 Canada 4 1%
8 Hong Kong 4 1%
9 India 2 0.5%
10 Ireland 2 0.5%
11 Malaysia 2 0.5%
12 Ukraine 2 0.5%
13 Korea, Republic of 1 0.3%
14 France 1 0.3%