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 185 51.7%
2 United States 49 13.7%
3 Canada 33 9.2%
4 Germany 32 8.9%
5 Netherlands 27 7.5%
6 Japan 9 2.5%
7 Singapore 8 2.2%
8 France 3 0.8%
9 Hong Kong 3 0.8%
10 Macao 2 0.6%
11 Moldova, Republic of 2 0.6%
12 Taiwan 2 0.6%
13 India 1 0.3%
14 Australia 1 0.3%
15 Denmark 1 0.3%