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 United States 19 42.2%
2 China 8 17.8%
3 Germany 3 6.7%
4 Malaysia 3 6.7%
5 Netherlands 2 4.4%
6 Norway 2 4.4%
7 Turkey 2 4.4%
8 Hong Kong 2 4.4%
9 Canada 2 4.4%
10 Venezuela, Bolivarian Republic of 1 2.2%
11 Congo, The Democratic Republic of The 1 2.2%