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 174 45.1%
2 United States 128 33.2%
3 Germany 34 8.8%
4 Korea, Republic of 10 2.6%
5 Hong Kong 9 2.3%
6 Russia 9 2.3%
7 Taiwan 5 1.3%
8 Macao 3 0.8%
9 Netherlands 3 0.8%
10 Israel 3 0.8%
11 Thailand 2 0.5%
12 Singapore 2 0.5%
13 South Africa 1 0.3%
14 Bulgaria 1 0.3%
15 India 1 0.3%
16 Estonia 1 0.3%