As of the census of 2010, there were 516,564 people, 140,602 households, and 114,350 families residing in the county. The population density was 259 people per square mile (100/km). There were 148,350 housing units, at an average density of 74 per square mile (29/km). The countys racial makeup was 89.4% Race (United States Census), 0.5% Black or African American, 0.6% American Indian or Alaska Native, 1.4% Asian, 0.8% Native Hawaiian or other Pacific Islander, 4.6% some other race, and 2.7% from two or more races. 10.8% of the population were Hispanic or Latino of any race.

How many more people are there than housing units?
A: 368214

Immigration is an essential component of the population. Results of the 2011 Population Census indicated that 326,376 (59.1% of the total population) were born outside Macau, an increase of 3.0 percentage points over the last ten years. Analysed by place of birth, 255,186 (46.2%) were born in Mainland China, down by 1.2 percentage points from 2001. 226,127 (40.9%) were born in Macau, 19,355 (3.5%) in Hong Kong and 1,835 (0.3%) in Portugal. There were more persons born in other countries or territories as the number of non-resident workers increased. Among them, 14,544 were born in the Philippines, 7,199 in Vietnam and 6,269 in Indonesia, altogether taking up 5.1% of the total population. 1,942 were born in Europe other than Portugal, 2,252 in Americas, 959 in Africa and 672 in Oceania. Analysed by age group, 85.2% of the youth population (aged 0-14) were born in Macau, and 62.9% of those aged 35 and above were born in Mainland China.

How many percent of people were not born in Mainland China?
A: 53.8

Some overtures were made by Thailand to establish trade relations with France in 1840 and 1851. In 1856 Napoleon III sent an embassy, led by Charles de Montigny, to King Mongkut. A treaty was signed on 15 August 1856, to facilitate trade, guarantee religious freedom, and grant French warships access to Bangkok. In June 1861, French warships brought a Thai embassy to France, led by Phya Sripipat . In the meantime, France was establishing a foothold in neighbouring Vietnam, putting it on a collision course with Siam. Under the orders of Napoleon III, French gunships under Rigault de Genouilly attacked the port of Da Nang in 1858, causing significant damage, and holding the city for a few months. de Gnouilly sailed south and captured the poorly defended city of Saigon in 1859. From 1859 to 1867, French troops expanded their control over all six provinces on the Mekong delta and formed a French Colony, Cochin China. In 1863, France and King Norodom of Cambodia signed a treaty of protection with France, which transferred the country from Siamese and Vietnamese overlordship to French colonial rule. A new treaty was signed between France and Siam on 15 July 1867.

What event happened later, the august treaty, or the July treaty?
A:
august treaty