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 497 49.1%
2 Netherlands 184 18.2%
3 United States 178 17.6%
4 Germany 69 6.8%
5 France 31 3.1%
6 Canada 22 2.2%
7 Singapore 5 0.5%
8 India 4 0.4%
9 Australia 3 0.3%
10 Greece 3 0.3%
11 Hong Kong 3 0.3%
12 Taiwan 2 0.2%
13 Norway 2 0.2%
14 Romania 2 0.2%
15 Japan 2 0.2%
16 Korea, Republic of 2 0.2%
17 Malaysia 2 0.2%
18 Brazil 1 0.1%
19 Russia 1 0.1%