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 446 43.4%
2 United States 221 21.5%
3 Netherlands 191 18.6%
4 Germany 69 6.7%
5 France 40 3.9%
6 Canada 23 2.2%
7 Sweden 11 1.1%
8 Macao 5 0.5%
9 Taiwan 3 0.3%
10 Australia 3 0.3%
11 Hong Kong 3 0.3%
12 Japan 3 0.3%
13 Korea, Republic of 2 0.2%
14 Norway 2 0.2%
15 Spain 2 0.2%
16 Malaysia 1 0.1%
17 Mauritius 1 0.1%
18 Turkey 1 0.1%
19 India 1 0.1%