请给出肝脏移植五十年的部分得失，并用dataframe的形式展示
user
```json
{
  "columns": ["Year", "Advantages", "Disadvantages"],
  "data": [
    [
      "1970s",
      ["First successful liver transplants performed", "Hope for patients with acute liver failure"],
      ["High mortality rates", "Limited organ availability"]
    ],
    [
      "1980s",
      ["Improved surgical techniques", "Reduced post-operative complications"],
      ["Increased awareness of organ shortage", "Ethical concerns regarding organ donation"]
    ],
    [
      "1990s",
      ["Development of immunosuppressive drugs", "Extended survival rates"],
      ["Economic burden on patients", "Long-term complications of immunosuppression"]
    ],
    [
      "2000s",
      ["Refinement of surgical procedures", "Increased pediatric transplant success"],
      ["Growing donor organ deficit", "Mismatch between donor and recipient"]
    ],
    [
      "2010s",
      ["Advancements in preservation techniques", "Better understanding of liver function"],
      ["Challenges in international organ allocation", "Increased demand for transplants"]
    ],
    [
      "2020s",
      ["Use of artificial intelligence for matching", "Potential for xenotransplantation"],
      ["Continued organ shortage", "Logistical and ethical hurdles for new technologies"]
    ]
  ]
}
```
assistant