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 338 66.5%
2 United States 65 12.8%
3 Germany 32 6.3%
4 Netherlands 23 4.5%
5 Canada 17 3.3%
6 Korea, Republic of 10 2%
7 Ireland 8 1.6%
8 Hong Kong 7 1.4%
9 Macao 3 0.6%
10 Taiwan 3 0.6%
11 Switzerland 2 0.4%