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 400 51.1%
2 Netherlands 134 17.1%
3 United States 130 16.6%
4 Germany 64 8.2%
5 Canada 17 2.2%
6 France 8 1%
7 Norway 6 0.8%
8 Korea, Republic of 4 0.5%
9 Hong Kong 4 0.5%
10 India 4 0.5%
11 Japan 3 0.4%
12 Australia 3 0.4%
13 Belgium 2 0.3%
14 Thailand 2 0.3%
15 Ukraine 1 0.1%
16 Austria 1 0.1%