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 163 57.8%
2 United States 50 17.7%
3 Germany 31 11%
4 Canada 11 3.9%
5 Russia 7 2.5%
6 Singapore 7 2.5%
7 Turkey 6 2.1%
8 France 2 0.7%
9 United Kingdom 1 0.4%
10 Hong Kong 1 0.4%
11 Mauritius 1 0.4%
12 Moldova, Republic of 1 0.4%
13 Romania 1 0.4%