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 195 65.7%
2 United States 35 11.8%
3 Germany 32 10.8%
4 Netherlands 8 2.7%
5 Macao 6 2%
6 Hong Kong 4 1.3%
7 Canada 3 1%
8 Taiwan 3 1%
9 Ukraine 2 0.7%
10 Singapore 2 0.7%
11 Switzerland 2 0.7%
12 India 2 0.7%
13 Moldova, Republic of 2 0.7%
14 Russia 1 0.3%