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 42 36.5%
2 United States 35 30.4%
3 Netherlands 11 9.6%
4 Russia 6 5.2%
5 Taiwan 5 4.3%
6 Germany 5 4.3%
7 Macao 3 2.6%
8 Hong Kong 2 1.7%
9 Bulgaria 2 1.7%
10 Australia 1 0.9%
11 Czech Republic 1 0.9%
12 Ukraine 1 0.9%
13 United Arab Emirates 1 0.9%