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 68 40.2%
2 United States 47 27.8%
3 Netherlands 20 11.8%
4 France 8 4.7%
5 Germany 7 4.1%
6 Taiwan 6 3.6%
7 Russia 3 1.8%
8 Singapore 3 1.8%
9 Hong Kong 2 1.2%
10 Canada 2 1.2%
11 Macao 1 0.6%
12 Malaysia 1 0.6%
13 Czech Republic 1 0.6%