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 290 41.5%
2 United States 213 30.5%
3 Netherlands 98 14%
4 Germany 56 8%
5 Canada 19 2.7%
6 Hong Kong 10 1.4%
7 France 6 0.9%
8 United Kingdom 2 0.3%
9 Norway 1 0.1%
10 Romania 1 0.1%
11 India 1 0.1%
12 Korea, Republic of 1 0.1%
13 Malaysia 1 0.1%