25 A psychologist, Dr Wong, had been treating both the appellant and his wife, Ms Yen Hoang Duong. Separate reports relating to their respective backgrounds and history were tendered before his Honour without objection or challenge. It is desirable to refer to the wife's circumstances in some detail as well as the appellant's circumstances, because the appellant has raised a parity argument in relation to the sentence imposed on his wife. The psychologist's reports show, among other things, the following. The appellant grew up in Hong Kong. He was the second child in a family of nine siblings. The rest of his family remains in Hong Kong. The family was poor. His parents worked on a farm. To help the family financially, the appellant left school at 16 and joined the workforce. His siblings have done quite well in Hong Kong. He himself did a building apprenticeship and then entered the construction industry on his own account. He maintained several quite profitable construction businesses in Hong Kong until he migrated to Australia. The appellant met his wife in 1993 when she was working for him at a construction site in Hong Kong. She had had a tragic background and, perhaps for that reason, they found common ground and developed a solid relationship. Ms Duong was nine years younger than the appellant. She was born in August 1971. So she was 35 years old at the time of the appellant's plea. She was born in Hai Phong, North Vietnam, an area that was heavily shelled during the Vietnam War. As a child she was regularly exposed to the conflict. After the war her family led an unstable and itinerant existence. She left Vietnam on a small fishing boat in March 1989 at the age of 17. The boat carried 30 passengers. There was insufficient food or water. Many passengers died of starvation. Ms Duong was young and attractive and she was sexually assaulted on the boat. The boat finally reached Hong Kong Island. The passengers were badly treated by the Hong Kong authorities. They were locked up in a refugee camp in a remote area for a considerable period. Ms Duong was raped by the boat captain at the camp. She suffered hunger, fear and real danger. In 1990 she was sexually attacked by other detainees. She fell and hit her head and lost consciousness. She was hospitalised. Desperate, she moved in with an older man who was a drug addict. To support his addiction she worked as a prostitute in Mong-Kok. Her poor living conditions led to many illnesses, including mental problems and hepatitis B. She was also diagnosed with a cardiac condition which required open heart surgery. She had several heart by-passes. After her surgery, she stopped working as a prostitute and ceased her relationship with her partner. She began working as a labourer at the appellant's construction company. Their relationship began. They had their first child, a girl, in 1995. In 1996 Ms Duong migrated to Australia under the Refugee/Humanitarian Program. The appellant joined her in 2000 or 2002 (the reports differ in that respect). The couple had another female child in 2001. Immediately after the appellant arrived in Australia he obtained fulltime employment in the construction industry. He remained with the same company until he and his wife were arrested in November 2004 and charged with the relevant offences. While they were both in custody, their children were cared for by the Department of Human Services. When the appellant was released on bail in July 2005, he resumed caring for the children. When his wife was released on 15 November 2006 after completing her sentence, the appellant re-entered the workforce. Up until the time of the plea he was working full-time for a painting contractor earning $600 net per week.