Score doesent adding

Questions & Answers
1

why my score is always 1 when i click left mouse button,why it isnt adding like 1+1+1+1+1…? How to fix it

using System.Collections.Generic;
using UnityEngine;
using TMPro;

public class Informator : MonoBehaviour
{
    private string _Name { get; set; }

    private int _Score { get; set; }

    public TMP_Text nameText;
    public TMP_Text scoreText;


    private void OnMouseDown()
    {
        ShowName();
        ShowScore();
        Destroy(gameObject);
    }

    void ShowName()
    {
        _Name = gameObject.name;
        nameText.text = _Name;
    }

    void ShowScore()
    {
        _Score+=1;
        scoreText.text = _Score.ToString();
    }
}