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 33 38.8%
2 China 19 22.4%
3 Russia 12 14.1%
4 United Kingdom 8 9.4%
5 Korea, Republic of 3 3.5%
6 Estonia 2 2.4%
7 France 2 2.4%
8 India 2 2.4%
9 Hong Kong 1 1.2%
10 Czech Republic 1 1.2%
11 Moldova, Republic of 1 1.2%
12 Poland 1 1.2%