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 76 48.4%
2 United States 41 26.1%
3 Netherlands 15 9.6%
4 France 6 3.8%
5 Hong Kong 4 2.5%
6 Russia 4 2.5%
7 Singapore 3 1.9%
8 Viet Nam 2 1.3%
9 Germany 2 1.3%
10 Ghana 1 0.6%
11 Israel 1 0.6%
12 Moldova, Republic of 1 0.6%
13 New Zealand 1 0.6%