why is my for loop only storing the last object in my object?

const quotes = [

    { 
      quote: "Being the richest man in the cemetery doesn't matter to me.\n\
              Going to bed at night saying we've done something wonderful, that's what matters to me.",

      person: "Steve Jobs"
    },

    { 
      quote: "Simplicity is the ultimate sophistication.", 

      person:"Leonardo da Vinci"
    },

    { 
      quote: "Innovation distinguishes between a leader and a follower.",

      person: "Steve Jobs"
    },

    {
      quote: "As a well-spent day brings happy sleep, so a life well spent brings happy death.", 

      person: "Leonardo da Vinci"
    },

    {
      quote:"Sometimes life is going to hit you in the head with a brick. Don't lose faith.", 

      person: " Steve Jobs"
    },

    { 
      quote: "The noblest pleasure is the joy of understanding.", 

      person: "Leonardo da Vinci"},

    {
      quote: "I'm convinced that about half of what separates the successful entrepreneurs \n\
               from the non-successful ones is pure perseverance.", 

      person: "Steve Jobs"
    },

    {
      quote:"The greatest deception men suffer is from their own opinions.", 

      person: "Leonardo da Vinci"
    },

    {
      quote: "Innovation distinguishes between a leader and a follower.", 

      person: "Steve Jobs"
    },

    {
      quote: "Iron rusts from disuse, stagnant water loses its purity and in cold weather becomes frozen, \n\
               even so does inaction sap the vigor of the mind.", 

     person: "Leonardo da Vinci"
    },

    {
      quote: "Simplicity is the ultimate sophistication.", 

      person: "Leonardo da Vinci"
    }
];

let count = 0;
const quoteButton = document.querySelector("#quoteButton");
const quoteDisplay = document.querySelector("#quoteDisplay");
const totalQuotes = quotes.length;

const displayQuote = () => {

  let currentCountNumber = getCurrentCountNumber();
  let quote = getQuote( currentCountNumber );

  let quoteData = quote.quote;
  let authorData = quote.person;

  displayQuoteDom(quoteDisplay, quoteData, authorData );
  count = increaseCountNumber(count, totalQuotes);

 };

const getCurrentCountNumber = () => count
const getQuote = (itemIndex) => quotes[itemIndex];
const displayQuoteDom = (target, quote, author ) => target.innerHTML = '<q>' + '<i>' + quote + '</i>' + '</q>' + '<br/>' + '<b>' + author  + '</b>';
const increaseCountNumber = (count, totalQuotes) => count === (totalQuotes - 1)  ? 0 : count+=1;

quoteButton.addEventListener('click', () => displayQuote() );