BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 32 34.4%
2 China 26 28%
3 United Kingdom 13 14%
4 Russia 7 7.5%
5 Ukraine 2 2.2%
6 Estonia 2 2.2%
7 Germany 2 2.2%
8 India 2 2.2%
9 Latvia 1 1.1%
10 Malaysia 1 1.1%
11 Hong Kong 1 1.1%
12 France 1 1.1%
13 Czech Republic 1 1.1%
14 Australia 1 1.1%
15 Taiwan 1 1.1%