BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 21 23.6%
2 China 19 21.3%
3 Netherlands 18 20.2%
4 Germany 11 12.4%
5 France 5 5.6%
6 4 4.5%
7 Australia 2 2.2%
8 Canada 2 2.2%
9 Malaysia 2 2.2%
10 New Zealand 1 1.1%
11 Sweden 1 1.1%
12 Hong Kong 1 1.1%
13 Korea, Republic of 1 1.1%
14 Macao 1 1.1%