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 32 43.8%
2 United States 13 17.8%
3 Netherlands 9 12.3%
4 France 4 5.5%
5 Germany 3 4.1%
6 Ireland 3 4.1%
7 Korea, Republic of 3 4.1%
8 Singapore 2 2.7%
9 Macao 1 1.4%
10 Hong Kong 1 1.4%
11 India 1 1.4%
12 Iran, Islamic Republic of 1 1.4%