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 70 50.7%
2 United States 27 19.6%
3 Netherlands 12 8.7%
4 Germany 8 5.8%
5 France 4 2.9%
6 Canada 4 2.9%
7 Russia 4 2.9%
8 Moldova, Republic of 2 1.4%
9 Hong Kong 2 1.4%
10 Japan 1 0.7%
11 Korea, Republic of 1 0.7%
12 Australia 1 0.7%
13 Singapore 1 0.7%
14 Sweden 1 0.7%