Country	Book titles per capita	Income per capita
Kyrgyzstan	208.78	$ 792.23
Tajikistan	149.27	$ 847.66
Uzbekistan	101.31	$ 1,349.90
Kenya	11.34	$ 1,541.14
India	12.73	$ 1,678.71
Nigeria	12.00	$ 1,715.46
Morocco	32.73	$ 2,644.45
Algeria	23.42	$ 2,736.45
Indonesia	20.40	$ 3,079.28
Egypt	29.63	$ 3,172.55
Philippines	20.27	$ 3,188.83
Ukraine	136.49	$ 3,297.05
Tunisia	79.04	$ 3,357.81
Georgia	305.74	$ 3,401.81
Azerbaijan	110.57	$ 3,483.92
Armenia	241.95	$ 3,520.52
Jordan	117.11	$ 4,063.74
Moldova	291.95	$ 4,110.01
South Africa	128.30	$ 4,548.30
North Macedonia	452.54	$ 4,844.69
Brazil	113.69	$ 5,123.41
Belarus	276.75	$ 5,133.34
Turkmenistan	207.46	$ 5,560.00
Thailand	136.70	$ 5,721.50
Mexico	65.50	$ 6,238.81
Kazakhstan	122.50	$ 6,633.98
Turkey	103.88	$ 7,137.45
Argentina	276.04	$ 7,190.43
Malaysia	291.38	$ 7,471.04
Russia	898.49	$ 8,066.01
Bulgaria	593.06	$ 8,419.71
Chile	173.79	$ 10,213.63
Romania	318.15	$ 10,815.90
Croatia	384.85	$ 12,132.92
Hungary	894.82	$ 12,720.39
Poland	365.11	$ 13,301.36
Latvia	798.69	$ 13,734.54
Greece	403.17	$ 14,753.83
Lithuania	993.64	$ 17,026.26
Saudi Arabia	189.08	$ 17,404.98
Estonia	1,840.56	$ 19,404.07
Slovenia	1,714.13	$ 20,263.14
Cyprus	1,259.06	$ 22,503.65
Spain	1,163.96	$ 22,515.86
Italy	614.22	$ 26,018.16
Japan	447.46	$ 31,279.11
France	818.98	$ 31,797.69
United Arab Emirates	134.15	$ 33,416.45
Canada	662.76	$ 34,699.70
United Kingdom	2,114.85	$ 36,247.00
Belgium	1,321.67	$ 36,526.53
Israel	479.01	$ 37,538.07
Germany	873.30	$ 38,456.17
Austria	985.47	$ 38,816.75
Australia	609.36	$ 39,262.16
Finland	2,559.22	$ 39,997.77
Netherlands	2,628.86	$ 42,295.82
Sweden	2,504.42	$ 44,420.46
Denmark	2,405.38	$ 52,682.06
United States	252.81	$ 53,271.90
Norway	3,276.76	$ 53,476.16
United States	252.81	$ 53,271.90
Uzbekistan	101.31	$ 1,349.90

The numbers aboverepresent "new book titles published" and "per capita income" in a variety of nations during a certain year. Portugal's per capita income that year was $17,470.68.

Using regression analysis, can you estimate how many new book titles were released in Portugal that year? If you discover that you can make that estimate, compute that number.