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 570 49.7%
2 United States 233 20.3%
3 Netherlands 146 12.7%
4 France 79 6.9%
5 Germany 51 4.4%
6 Canada 25 2.2%
7 Taiwan 9 0.8%
8 Korea, Republic of 8 0.7%
9 Ireland 6 0.5%
10 India 4 0.3%
11 Japan 3 0.3%
12 Hong Kong 3 0.3%
13 Argentina 2 0.2%
14 Australia 2 0.2%
15 Turkey 2 0.2%
16 Bahrain 1 0.1%
17 Brazil 1 0.1%
18 Moldova, Republic of 1 0.1%
19 Norway 1 0.1%
20 Portugal 1 0.1%